Question 1

All of the following are Type III hypersensitivity except:

Accepted Answer

A) granulomatous reactions 
B) serum sickness 
C) rheumatoid arthritis 
D) lupus erythematosus 
A) granulomatous reactions 
B) serum sickness 
C) rheumatoid arthritis 
D) lupus erythematosus A

Question 2

The only treatment used to cure allergies is _____________.

Accepted Answer

A) epinephrine 
B) antibiotics 
C) desensitization 
D) sensitization 
A) epinephrine 
B) antibiotics 
C) desensitization 
D) sensitization C

Question 3

Which of the following statements about cytotoxic hypersensitivity is correct

Accepted Answer

A) Normally a person's serum has IgM against the antigens on their own red blood cells. 
B) Adverse transfusion reactions are no longer a problem because transfusions rarely occur. 
C) Hemolytic disease of the newborn cannot be prevented. 
D) Sensitization to Rh antigens can occur during delivery,miscarriage or abortion. 
A) Normally a person's serum has IgM against the antigens on their own red blood cells. 
B) Adverse transfusion reactions are no longer a problem because transfusions rarely occur. 
C) Hemolytic disease of the newborn cannot be prevented. 
D) Sensitization to Rh antigens can occur during delivery,miscarriage or abortion. D

Question 4

Type IV hypersensitivity includes:

Accepted Answer

A) contact dermatitis 
B) granulomatous hypersensitivity 
C) allergy to metals 
D) all of these 
A) contact dermatitis 
B) granulomatous hypersensitivity 
C) allergy to metals 
D) all of these

Question 5

Hypersensitivity to poison ivy _____.

Accepted Answer

A) is due to the formation of granulomas 
B) is a type I hypersensitivity reaction 
C) leads to contact dermatitis due to immune reaction to urushiol 
D) occurs immediately after contact with the oil from the plant 
A) is due to the formation of granulomas 
B) is a type I hypersensitivity reaction 
C) leads to contact dermatitis due to immune reaction to urushiol 
D) occurs immediately after contact with the oil from the plant

Question 6

HIV has an affinity for cells that bear the _______ antigen(s)on their surface.

Accepted Answer

A) CD4 
B) HLA-B27 
C) CD8 
D) two of these 
A) CD4 
B) HLA-B27 
C) CD8 
D) two of these

Question 7

Anaphylaxis is associated with which type of hypersensitivity

Accepted Answer

A) Immune Complex 
B) Immediate 
C) Cell-mediated 
D) Delayed 
A) Immune Complex 
B) Immediate 
C) Cell-mediated 
D) Delayed

Question 8

Which of the following statements about immunological disorder is correct

Accepted Answer

A) Bottle-fed infants are less likely to develop food allergies than are breast-fed infants. 
B) Primary immunodeficiences include malnutrition and AIDS. 
C) Autoimmune disorders are hypersensitivity reactions against self-antigens. 
D) Secondary immunodeficiences are genetic or developmental defects. 
A) Bottle-fed infants are less likely to develop food allergies than are breast-fed infants. 
B) Primary immunodeficiences include malnutrition and AIDS. 
C) Autoimmune disorders are hypersensitivity reactions against self-antigens. 
D) Secondary immunodeficiences are genetic or developmental defects.

Question 9

DiGeorge's Syndrome is due to a lack of _____.

Accepted Answer

A) B-cells 
B) T-cells 
C) Complement 
D) TH cell deficiency 
A) B-cells 
B) T-cells 
C) Complement 
D) TH cell deficiency

Question 10

Allergens bind to sensitized mast cells carrying surface ____ molecules,causing degranulation.

Accepted Answer

A) IgG 
B) IgB 
C) IgM 
D) IgE 
A) IgG 
B) IgB 
C) IgM 
D) IgE

Question 11

Severe combined immunodeficiency (SCID)is a life threatening condition.Its treatment includes _____.

Accepted Answer

A) bone marrow transplants 
B) immunosuppressive drugs 
C) steroids 
D) two of these 
A) bone marrow transplants 
B) immunosuppressive drugs 
C) steroids 
D) two of these

Question 12

Myasthenia gravis:

Accepted Answer

A) involves autoantibodies that are against the acetylcholine receptors 
B) form IgM:IgG immune complexes and TH1 cells which initiate inflammation in joints 
C) mainly affects the joints of the hands and the joints 
D) two of these 
A) involves autoantibodies that are against the acetylcholine receptors 
B) form IgM:IgG immune complexes and TH1 cells which initiate inflammation in joints 
C) mainly affects the joints of the hands and the joints 
D) two of these

Question 13

Which matches the correct hypersensitivity reaction with their type

Accepted Answer

A) Immediate (type I)- immune complexes 
B) Cytotoxic (type II)- anaphylaxis 
C) Immune complex (type III)- precipitation of antigen-antibody complexes 
D) Cell-mediated (type IX)- blood transfusion 
A) Immediate (type I)- immune complexes 
B) Cytotoxic (type II)- anaphylaxis 
C) Immune complex (type III)- precipitation of antigen-antibody complexes 
D) Cell-mediated (type IX)- blood transfusion

Question 14

An Arthus reaction is a _____.

Accepted Answer

A) local reaction at the site of injection with edema and hemorrhage 
B) systemic reaction in which immune complexes increase activating complement 
C) deposition of antibody and interleukin on the membrane of epithelial tissues 
D) local reaction in a large mass of cells which leads to granuloma formation 
A) local reaction at the site of injection with edema and hemorrhage 
B) systemic reaction in which immune complexes increase activating complement 
C) deposition of antibody and interleukin on the membrane of epithelial tissues 
D) local reaction in a large mass of cells which leads to granuloma formation

Question 15

The blocking antibodies formed in response to desensitization are composed of which class of antibody

Accepted Answer

A) IgG 
B) IgD 
C) IgA 
D) IgM 
A) IgG 
B) IgD 
C) IgA 
D) IgM

Question 16

To treat generalized anaphylaxis,_________ must be administered immediately.

Accepted Answer

A) histamine 
B) epinephrine 
C) prostaglandins 
D) antibiotics 
A) histamine 
B) epinephrine 
C) prostaglandins 
D) antibiotics

Question 17

Granulomatous hypersensitivity,the most serious Type IV hypersensitivity,might occur during all the following infections except:

Accepted Answer

A) Staphylococcus aureus 
B) Mycobacterium tuberculosis 
C) Mycobacterium leprae 
D) Leishmania tropica 
A) Staphylococcus aureus 
B) Mycobacterium tuberculosis 
C) Mycobacterium leprae 
D) Leishmania tropica

Question 18

Antihistamines and/or desensitization may be effective in relieving the symptoms of:

Accepted Answer

A) Cytotoxic hypersensitivity 
B) Immune complex hypersensitivity 
C) Immediate hypersensitivity 
D) Cell-mediated hypersensitivity 
A) Cytotoxic hypersensitivity 
B) Immune complex hypersensitivity 
C) Immediate hypersensitivity 
D) Cell-mediated hypersensitivity

Question 19

The immunologically privileged site that protects the fetus from mother's immune system is most likely due to the fact that _____.

Accepted Answer

A) mother's IgG do not cross the placenta 
B) fetal portion of placenta does not exhibit MHC molecules 
C) alpha-fetoprotein inhibits immune responses 
D) two of these 
A) mother's IgG do not cross the placenta 
B) fetal portion of placenta does not exhibit MHC molecules 
C) alpha-fetoprotein inhibits immune responses 
D) two of these

Question 20

A wheal and flare reaction is best described as a:

Accepted Answer

A) raised white area with a reddened area 
B) raised red area 
C) blister 
D) flat red area 
A) raised white area with a reddened area 
B) raised red area 
C) blister 
D) flat red area

Exam 19: Immune Disorders

All of the following are Type III hypersensitivity except:

The only treatment used to cure allergies is _____________.

Which of the following statements about cytotoxic hypersensitivity is correct

Type IV hypersensitivity includes:

Hypersensitivity to poison ivy _____.

HIV has an affinity for cells that bear the _______ antigen(s)on their surface.

Anaphylaxis is associated with which type of hypersensitivity

Which of the following statements about immunological disorder is correct

DiGeorge's Syndrome is due to a lack of _____.

Allergens bind to sensitized mast cells carrying surface ____ molecules,causing degranulation.

Severe combined immunodeficiency (SCID)is a life threatening condition.Its treatment includes _____.

Myasthenia gravis:

Which matches the correct hypersensitivity reaction with their type

An Arthus reaction is a _____.

The blocking antibodies formed in response to desensitization are composed of which class of antibody

To treat generalized anaphylaxis,_________ must be administered immediately.

Granulomatous hypersensitivity,the most serious Type IV hypersensitivity,might occur during all the following infections except:

Antihistamines and/or desensitization may be effective in relieving the symptoms of:

The immunologically privileged site that protects the fetus from mother's immune system is most likely due to the fact that _____.

A wheal and flare reaction is best described as a:

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